Oceanic Anoxic Event 2 (OAE 2) was a significant period in Earth's history, occurring around 94 million years ago during the Late Cretaceous, characterized by widespread anoxia in the oceans, leading to a dramatic decline in marine life. This event is linked to massive organic carbon burial and has important implications for understanding the causes and mechanisms behind mass extinctions, as it altered marine ecosystems and impacted global climate conditions.
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